1. coherence, coherency, cohesion, cohesiveness -- (the state of cohering or sticking together)
2. cohesion -- ((botany) the process in some plants of parts growing together that are usually separate (such as petals))
3. cohesion -- ((physics) the intermolecular force that holds together the molecules in a solid or liquid)

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Behold the great rondure, the cohesion of all, how perfec. - from Leaves of Grass by Walt Whitman